51326801 has 2 divisors, whose sum is σ = 51326802. Its totient is φ = 51326800.

The previous prime is 51326741. The next prime is 51326813. The reversal of 51326801 is 10862315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49688401 + 1638400 = 7049^2 + 1280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51326801 is a prime.

It is not a weakly prime, because it can be changed into another prime (51326701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25663400 + 25663401.

It is an arithmetic number, because the mean of its divisors is an integer number (25663401).

Almost surely, 2^51326801 is an apocalyptic number.

It is an amenable number.

51326801 is a deficient number, since it is larger than the sum of its proper divisors (1).

51326801 is an equidigital number, since it uses as much as digits as its factorization.

51326801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 51326801 is about 7164.2725380879. The cubic root of 51326801 is about 371.6333946590.

The spelling of 51326801 in words is "fifty-one million, three hundred twenty-six thousand, eight hundred one".